Finding the Fourth Proportional to 52,402,286.39, 72,315,451.67 and 30,388,856.09
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Solution
The fourth proportional to 52,402,286.39, 72,315,451.67 and 30,388,856.09 is: 41,936,793.32
Step by Step Solution
- Step 1: Write the proportion equation
52,402,286.39 : 72,315,451.67 = 30,388,856.09 : x - Step 2: Convert to fraction form
52,402,286.39/72,315,451.67 = 30,388,856.09/x - Step 3: Cross multiply
52,402,286.39x = 72,315,451.67 × 30,388,856.09 - Step 4: Simplify right side
52,402,286.39x = 2,197,583,854,139,741 - Step 5: Solve for x
x = 2,197,583,854,139,741/52,402,286.39 - Step 6: Final answer
x = 41,936,793.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.